74HC20 データシートの表示（PDF） - Philips Electronics
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74HC20 Datasheet PDF : 6 Pages
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Philips Semiconductors
Dual 4-input NAND gate
Product specification
74HC/HCT20
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
SYMBOL
PARAMETER
74HC
+25
−40 to +85
min. typ. max. min. max.
tPHL/ tPLH propagation delay
28 90
115
nA, nB, nC, nD to nY
10 18
23
8 15
20
tTHL/ tTLH output transition time
19 75
95
7 15
19
6 13
16
TEST CONDITIONS
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. max.
135 ns
27
23
2.0 Fig.7
4.5
6.0
110 ns
22
19
2.0 Fig.7
4.5
6.0
December 1990
5
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